| Feature | Specification Details |
| Product Name | Heavy Duty Main Contactor |
| Part Number | 1089941578 (1089-9415-78) |
| Manufacturer | Atlas Copco (Genuine OEM) |
| Compatible Models | GA132, GA132+, GA160, GA160+ (VSD and Fixed Speed) |
| Application | Motor control, Star-Delta starting, or Line switching |
| Weight | Approx. 6.8 kg – 7.0 kg (15 lbs) |
| Country of Origin | Typically Belgium or Germany |
| Classification | Electrical / Switching Gear |